# 420 kilometers per hour in miles per hour

## Conversion

420 kilometers per hour is equivalent to 260.97590073968 miles per hour.^{[1]}

## Conversion in the opposite direction

The inverse of the conversion factor is that **1 mile per hour is equal to 0.00383177142857143 times 420 kilometers per hour**.

It can also be expressed as: 420 kilometers per hour is equal to $\frac{1}{\mathrm{0.00383177142857143}}$ miles per hour.

## Approximation

An approximate numerical result would be: **four hundred and twenty kilometers per hour is about two hundred and sixty point nine eight miles per hour**, or alternatively, *a mile per hour is about zero times four hundred and twenty kilometers per hour*.

## Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.